Home / 84,386.04-126,539.94-31,064.54

Finding the Fourth Proportional to 84,386.04, 126,539.94 and 31,064.54

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Solution

The fourth proportional to 84,386.04, 126,539.94 and 31,064.54 is: 46,582.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,386.04 : 126,539.94 = 31,064.54 : x
  2. Step 2: Convert to fraction form
    84,386.04/126,539.94 = 31,064.54/x
  3. Step 3: Cross multiply
    84,386.04x = 126,539.94 × 31,064.54
  4. Step 4: Simplify right side
    84,386.04x = 3,930,905,027.73
  5. Step 5: Solve for x
    x = 3,930,905,027.73/84,386.04
  6. Step 6: Final answer
    x = 46,582.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.